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The dependence of the equilibrium constant of a retain on temperature is given by the van't Hoff equation:
\(lnK = \frac{-\Delta H^{0}}{RT}+C\)
where C is a constant.The following table gives the equilibrium constant (Kp) at various temperatures for the reaction of nitrogen monoxide with oxygen gas that produces nitrogen dioxide:
T(K) Kp
600 138
700 5.12
800 0.436
900 0.0626
1000 0.0130
Caculate the enthalpy of the reaction.
calculate the PH at the points in the titration of 20.00 ml of 0.318M NH3 when, a) 10.00 ml and 15.00 ml of 0.475 M HCl have been added.
A 300 mL stock solution contains 0.9 M Ca(CN)2. When 100 mL of the stock solution is diluted to 120 mL, how many moles of CN- ions will be contained in the dilute solution.
we place an excess ( more than can dissolve) of PbCl2 into 100 ml. of water and find that at equilibrium [Cl]=0.032 M . Calculate kc for the following reaction : PbCl2 = Pb+2Cl
Draw a molecule of NH2Cl and a molecule of H2O. Indicate the type and location of the strongest intermolecular force of attraction between the two molecules.
(1) write the electron configuration of Co (III) (2) what is the geometry structure of this complex ion? Linear, Tetrahedral, Square planar or Octahedral. (3) predict the number of unpaired electrons in [Co(en) ] (4) draw the crystal field diagram..
A balloon filled with helium gas has a volume of 620 mL at a pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km, where the pressure is 0.5 atm. Assuming that the temperature has remained the same, what volume does the gas..
copper is electroplated from CuSO4 solution. A constant curent of 4.39 A is applied by an external power supply. How long will it take to deposit 1.00x10^2g of Cu
A 0.2088g sample of an unknown monprotic acid is titrated with 22.10 ml of 0.1000 mol/L KOH. The pH of the solution after the addition of 22.10 ml of base is 5.02. What is the Ka for the acid?
If I have 7.0 moles of gas at a pressure of 0.10 atm and at a temperature of 50.1 degrees C in a balloon, what is the volume of the balloon? (Round to one decimal place.)
What is the mechanism for turning 1-bromotbutane when it reacts with KI and DMF into n-butyl acetate?
A compound A (C22H27NO) is insoluble in acid and base but reacts with concentrated aqueous HCl and heat to give a clear aqueous solution from which, on cooling, benzoic acid precipitates. When the supernatant solution is made basic, a liquid B sep..
A gas sample is held at constant pressure. The gas occupies 3.26L of volume when the temperature is 51.6 F . Determine the temprature at which the voloume of the gas is 3.45 L.
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